20393450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5297}}^1$

素因数の和:5327

約数の個数: 48

約数和(自身を含む): 47300544

約数和(自身を除く): 26907094

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5297, 10594, 26485, 37079, 52970, 58267, 74158, 116534, 132425, 185395, 264850, 291335, 370790, 407869, 582670, 815738, 926975, 1456675, 1853950, 2039345, 2913350, 4078690, 10196725, 20393450]

約数ペア:

[(1, 20393450), (2, 10196725), (5, 4078690), (7, 2913350), (10, 2039345), (11, 1853950), (14, 1456675), (22, 926975), (25, 815738), (35, 582670), (50, 407869), (55, 370790), (70, 291335), (77, 264850), (110, 185395), (154, 132425), (175, 116534), (275, 74158), (350, 58267), (385, 52970), (550, 37079), (770, 26485), (1925, 10594), (3850, 5297)]